533544534 has 48 divisors (see below), whose sum is σ = 1215886464. Its totient is φ = 168854400.

The previous prime is 533544533. The next prime is 533544563. The reversal of 533544534 is 435445335.

533544534 is a `hidden beast` number, since 53 + 35 + 44 + 534 = 666.

It is a super-2 number, since 2×533544534² = 569339539522554312, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533544533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20554 + ... + 38594.

It is an arithmetic number, because the mean of its divisors is an integer number (25330968).

Almost surely, 2^533544534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 533544534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (607943232).

533544534 is an abundant number, since it is smaller than the sum of its proper divisors (682341930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

533544534 is a wasteful number, since it uses less digits than its factorization.

533544534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18133 (or 18130 counting only the distinct ones).

The product of its digits is 216000, while the sum is 36.

The square root of 533544534 is about 23098.5829435487. The cubic root of 533544534 is about 811.0672990423.

Adding to 533544534 its reverse (435445335), we get a palindrome (968989869).

The spelling of 533544534 in words is "five hundred thirty-three million, five hundred forty-four thousand, five hundred thirty-four".